iarm (version 0.1.2)

item_target: Computation of Item Targets for Polytomous Models

Description

The item target is the value of the person parameter where item information is maximized.

Usage

item_target(obj)

Arguments

obj

An object of class "eRm" (but not "dRm"), a fitted partial credit model using the function PCM in package eRm or of class "pcmodel" (from package psychotools).

Value

vector with item targets.

Examples

# NOT RUN {
 pc.mod <- PCM(desc2[, 5:14])
 item_target(pc.mod)
# }